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Promise task 1 #9

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687bca7
promise
JavaSDragon Jan 29, 2018
e95e3fb
Update promiseTask.js
JavaSDragon Jan 29, 2018
8c99113
Update promiseTask.js
JavaSDragon Jan 29, 2018
28c9057
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JavaSDragon Jan 30, 2018
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45 changes: 45 additions & 0 deletions promiseTask.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
let addReq=(url)=> {
return new Promise((resolve, reject) => {
let xhr = new XMLHttpRequest()
xhr.open('GET', url, true);
xhr.onload = function () {
let json = JSON.parse(this.responseText);
resolve(json);
}
xhr.send();
});
}

Promise.all([addReq('http://www.json-generator.com/api/json/get/cevhxOsZnS'),
addReq('http://www.json-generator.com/api/json/get/cguaPsRxAi'),
addReq('http://www.json-generator.com/api/json/get/cfDZdmxnDm'),
addReq('http://www.json-generator.com/api/json/get/cfkrfOjrfS'),
addReq('http://www.json-generator.com/api/json/get/ceQMMKpidK')]).then(result=>console.log(result));
let newArr=[];
let addArr=(url)=> {
return new Promise((resolve, reject) => {
let xhr = new XMLHttpRequest()
xhr.open('GET', url, true);
xhr.onload = function () {
let json = JSON.parse(this.responseText);
newArr.push(json);
resolve(newArr);
}
xhr.send();
});
}

(addArr('http://www.json-generator.com/api/json/get/cevhxOsZnS'))
.then(addArr('http://www.json-generator.com/api/json/get/cguaPsRxAi'))
.then(addArr('http://www.json-generator.com/api/json/get/cfDZdmxnDm'))
.then(addArr('http://www.json-generator.com/api/json/get/cfkrfOjrfS'))
.then(addArr('http://www.json-generator.com/api/json/get/ceQMMKpidK'))
.then(result=>console.log(result));